1, hair transplantation is autologous hair follicle transplantation, which will not produce rejection reaction, so it is harmless to health;

2. Hair transplantation is a minimally invasive surgery for superficial epidermis, and the hair follicle is located 3-5mm under the skin. The level involved in the whole process will not touch the important brain nerve tissue of the human body, but only capillaries and nerve endings, which have self-healing, so it will not affect the health of the body.